2 Problem 1.1-3, page 6

  2.1 problem 1.1-3 (a)
  2.2 problem 1.1-3 (b)
  2.3 problem 1.1-3 (c)
  2.4 problem 1.1-3 (d)
  2.5 problem 1.1-3 (e)
  2.6 problem 1.1-3 (f)